Barrier methods pregnancy को कैसे prevent करते हैं?
How do barrier methods prevent pregnancy?
Explanation opens after your attempt
A. Sperm और ovum के मिलन को रोककरBy preventing meeting of sperm and ovum
Concept
Identify the concept: this is the mechanism of barrier methods.
Why this answer is correct
Barrier methods make a physical block so sperm cannot reach the egg.
Exam Tip
Exam tip: barrier means physical block.
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